Home / 13,352.24-20,023.57-3,990.52

Finding the Fourth Proportional to 13,352.24, 20,023.57 and 3,990.52

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Solution

The fourth proportional to 13,352.24, 20,023.57 and 3,990.52 is: 5,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.24 : 20,023.57 = 3,990.52 : x
  2. Step 2: Convert to fraction form
    13,352.24/20,023.57 = 3,990.52/x
  3. Step 3: Cross multiply
    13,352.24x = 20,023.57 × 3,990.52
  4. Step 4: Simplify right side
    13,352.24x = 79,904,456.56
  5. Step 5: Solve for x
    x = 79,904,456.56/13,352.24
  6. Step 6: Final answer
    x = 5,984.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.